| Sonderdigital.group | |
| SP Deizainas | Vilnius |
| Splius | Vilnius |
| ST Impress | Kaunas |
| Starter Pad | Vilnius |
| Startup Division | |
| Startup Fair | |
| Startup Lithuania | Vilnius |
| StartupHighway | Vilnius |
| State Data Protection Inspectorate | Vilnius |
| Studijų kokybės vertinimo centras | |
| SUPER HOW? | |
| Superita | Vilnius |
| svetaine.lt | Vilnius |
| Svetainiu Kurimas | Vilnius |
| Swedbank Lietuvoje | |
| Switchere | |
| Synergy Effect | Vilnius |
| TableAir | |
| Tag of Joy | Vilnius |
| Taisykla | Vilnius |
| Teachers Lead Tech | Vilnius |
| Teamhood | |
| Tech Conference Login | Vilnius |
| Tech Zity | |
| Technews.lt | Vilnius |
| Technipolija | Kaunas |
| Techno Group Lithuania | Vilnius |
| techRemontas.lt | Vilnius |
| TELE2 | Vilnius |
| Telecentras | Vilnius |
| Teledema | Vilnius |
| Telefonservis | Kaunas |
| Telia Lietuva | Vilnius |
| Teltonika | Vilnius |
| TeslaPay | |
| Tesonet | |
| Thrust | |
| Thruster | |
| Topo centras | Kaunas |
| Topzone.lt | Vilnius |
| TrackDuck | Vilnius |
| TutoTOONS | Vilnius |
| UAB "8devices" | |
| UAB "ABG" | Kaunas |
| UAB "aCoobe" | Vilnius |
| UAB "adSEO" | |
| UAB "Adtarget.me" | |
| UAB "Aedilis" | Kaunas |
| UAB "Agina" | Vilnius |